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Rite Boilers – Hot Water Indoor Atmospheric / Natural Gas Fired

Available in 47 different models, ranging from 480 to 12,499 MBH input
125 PSI Atmospheric / Natural Gas Fired

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Rite Atmospheric Natural Gas Fired Watertube Boilers are found at the heart of better engineered closed-loop heating systems all over North America. From conventional space heating systems to heat pumps to industrial process loads, Rite offers 47 basic models, ranging from 480 to 12,499 MBH Input (11 – 300 Boiler Horsepower). These heavy duty, long lasting boilers have been providing heat to schools, churches, commercial buildings, metal finishers and silicone chip makers (to name a few) – Safely and reliably for over fifty years.

So simple to maintain and operate, Rite Boilers feature complete waterside access so that virtually all scale and mud deposits can be seen and mechanically cleaned during a single scheduled maintenance shutdown. The result – Better fuel efficiency and lower operating cost over the life of your boiler investment. Consider a few of our other standard features: Floating heads that eliminate pressure vessel cracks and broken welds caused by thermal stress cycling, Single Stacks on models to 7,500,000 BTUH input, Top supply and return water connections, Rugged Heat Exchangers with minimal pressure drop at normal flow rates are safe to operate at any flow rate. Rite’s bolted/gasketed headplates that eliminate any possibility of hydraulic explosion in the event that safety devices fail – and you have a better boiler by design.


Rite Atmospheric Boilers are an excellent choice when: Low NOx emissions are not required, natural gas will be the only fuel used, the installation is indoors, and when lower combustion efficiencies at less than full firing rate are acceptable.

Atmospheric burners are far less expensive than power burners, so when the above criteria is met, then Atmospherics are a strong economical alternative to Rite’s outstanding line of power burner fired water boilers. Other factors favoring Atmo- spherics are: Extremely low electrical power consumption (no energy hogging fan motors), Rapid start-up on demand (No pre- purge blower fan), Lighter weight, Lower height, and Whisper-quiet burner operation.


Hot Water Advantages:

  • 11 – 300 Boiler Horsepower
  • M.A.W.P. to 160 PSI
  • ΔT to 100°F
  • Supply water to 240°F
  • No minimum flow rate or flow switch required
  • No “runaround” pump required
  • ΔP lass than 3′ head
  • 25 year thermal shock and tube erosion warranty
  • 80% and 83% maintainable efficiency models available


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